Ozone hole: An ozone hole is a hole or gap in the protective layer of ozone in the upper atmosphereAn . . . Read More

Ultraviolet (UV) light is electromagnetic radiation with a wavelength from 400 nm to 10 nm, shorter than . . . Read More

Chlorofluorocarbons (CFCs) are a class of man-made chemicals known by such tradenames as "Freon," "Genetron," . . . Read More

Halogen: A halogen is a member of the chemical group of halogens. It is the only periodic table group . . . Read More

Ozone (O3) is a colorless gas with a pungent odor, having the molecular form of O3 , found in two layers . . . Read More

Tropospheric ozone: The troposphere is the lowest layer of the atmosphere and contains about 95 percent . . . Read More

Aerosol sprays (eg. furniture polish, deodorant, and air freshener) contain an active ingredient and . . . Read More

Ozone-depleting in the environment context refers to substances or activities that contribute to the . . . Read More

In the environmental context, "production" refers to the process of manufacturing or creating goods, . . . Read More

Air Pollution is the presence of contaminants or Pollutant substances in the air that interfere with . . . Read More